mypy
https://github.com/python/mypy
Python
Optional static typing for Python
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- Issues
- New semantic analyzer: Namespace package with __init__.py breaks analysis
- Overriding final method only raises error if overriding method is annotated
- automatic Literal types where possible
- False positive error: Overloaded function signatures 1 and 2 overlap with incompatible return types
- New semantic analyzer: Explain that global variable must be declared at module top level
- New analyzer: Ensure that mangled -redefinition names don't appear in error messages
- New semantic analyzer: some assignments aren't recognized as types if incomplete
- mypy not flagging subclasses with incompatible constructors
- New semantic analyzer: allow redefinition of star-imported functions if type is the same
- New type analyzer: confusing error message for broken named tuple
- Docs
- Python not yet supported